Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Unamortized debt issuance cost	$ 1,514	$ 1,631
Carrying (Reported) Amount, Fair Value Disclosure | Less unamortized deferred financing fees
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Notes payable, carrying amount	100,000	100,000
Estimate of Fair Value, Fair Value Disclosure | Less unamortized deferred financing fees
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Notes payable, fair value disclosure	105,800	102,100
Adjustments for New Accounting Pronouncement
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Unamortized debt issuance cost	$ 1,051	$ 1,125